<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>盒模型</title>
		<style type="text/css">
			div{
			width:200px;
			height: 200px;
			padding-left:10px;
			padding-right: 20px;
			padding: 40px 50px 60px;
			padding-bottom: 30px;
			/*background-color: red;*/
			border: 8px solid #000;
		}
		</style>
		
	</head>
	<body>
		<div></div>
	</body>
</html>
